Online Access Free 1Z0-501 Exam Questions

Which constructs a BufferedIputStream?

• A.New BufferedInputStream("in.txt");
• B.New BufferedInputStream(new Writer("in.txt"));
• C.New BufferedInputStream(new FileInputStream("in.txt"));
• D.New BufferedInputStream(new InputStream("in.txt"));
• E.New BufferedInputStream(new File("in.txt"));
• F.New BufferedInputStream(new Writer("in.txt"));

How can you create a listener class that receives events when the mouse is moved?

• A.By implementing MouseMotionListener.
• B.Either by extending MouseMotionListener or extending MouseListener.
• C.By extending MouseMotionListener.
• D.Either by implementing MouseMotion Listener or implementing MouseListener.
• E.By extending MouseListener.
• F.By implementing MouseListener.

Given:
1 . public class IfTest (
2 . public static void main(string[]args) {
3 . int x = 3;
4 . int y = 1;
5 . if (x = y)
6 . system.out.printIn("Not equal");
7 . else
8 . system.out.printIn("Equal");
9 .}
1 0. )
What is the result?

• A.The output in "Not Equal"
• B.The output is "Equal"
• C.The program executes but does not print a message.
• D.An error at line 5 causes compilation to fall.

Given:
1. class super {
2. public float getNum() {return 3.0f;}
3 . )
4 .
5 . public class Sub extends Super {
6 .
7 .)
Which method, placed at line 6, will cause a compiler error?

• A.Public void getNum () { }
• B.Public void getNum (double d)
  { }
• C.Public double getNum (float d) {retrun 4.0f; }
• D.Public float getNum(){return 4.0f; }

Given:
1 . public class WhileFoo {
2 . public static void main (String []args){
3 . int x= 1, y = 6;
4 . while (y--){x--;}
5 . system.out.printIn("x=" + x "y =" + y);
6 .}
7 . }
What is the result?

• A.The output is x = 6 y = 0
• B.The output is x = 7 y = -1
• C.Compilation will fail.
• D.The output is x = 6 y = -1
• E.The output is x = 7 y = 0